======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '368'
                                          'artist'  'Queen'
                                     'text_people'  ''
                                         'release'  'Greatest Video Hits 1 (disc 1)'
                                           'title'  'Bohemian Rhapsody'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '16'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '136.276'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'COMM:ID3v1 Comment:XXX'                            'Love; Driving; Party'
'COMM:Songs-DB_Custom1:eng'                         '1980s'
'COMM:Songs-DB_Custom2:eng'                         'Classic; Masterpiece; Oldies; Genius'
'COMM:Songs-DB_Custom3:eng'                         'British; London'
'COMM:Songs-DB_Occasion:eng'                        'Love; Driving; Party'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Greatest Video Hits 1 (disc 1)'
'TBPM' (BPM (beats per minute))                     '136.276'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1980'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Bohemian Rhapsody'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Queen'
'TPE2' (Band/orchestra/accompaniment)               'Queen'
'TRCK' (Track number/Position in set)               '1/16'
'TSOP' (Performer sort order)                       'Queen'
'TXXX:ALBUMARTISTSORT'                              'Queen'
'TXXX:FMPS_Playcount'                               '1'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '142,175'
'TXXX:MusicBrainz Album Artist Id'                  '0383dadf-2a4e-4d10-a46a-e9e041da8eb3'
'TXXX:MusicBrainz Album Id'                         'c036f268-3db1-4a15-8dc3-8667286a77b9'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '0383dadf-2a4e-4d10-a46a-e9e041da8eb3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.15 dB'
'TXXX:replaygain_track_peak'                        '0.359744'

========================== row from database ==========================
                                              'id'  1324400
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Savatage__cifs9bcb.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  368
                                           'genre'  rock-cppex-classic
                                        'filesize'  5905170
                                           'mtime'  1636039347
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Savatage__cifs9bcb rock cppex classic
                                      'tag_artist'  Queen
                                     'tag_release'  Greatest Video Hits 1 (disc 1)
                                       'tag_title'  Bohemian Rhapsody
                                             'bpm'  136.276
                                    'search_title'  'bohemian':1 'rhapsody':2
                                   'search_artist'  'queen':1
                                  'search_release'  '1':4,7 'disc':5,6 'greatest':1 'hits':3 'video':2
                                     'search_rest'  '00poprockelectronic':1 'cifs9bcb':8 'classic':11 'cppex':10 'files':5,6 'loose':3,4 'rock':9 'savatage':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 '1':7C,10C 'bohemian':1A 'cifs9bcb':18 'classic':21 'cppex':20 'disc':8C,9C 'files':15,16 'greatest':4C 'hits':6C 'loose':13,14 'queen':3B 'rhapsody':2A 'rock':19 'savatage':17 'unsorted':12 'video':5C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636039347.4093401  (2021-11-04 16:22:27)
                             'size'  5905170